About this recording 21–51 H. R. Haldeman White House operator March 13, 1972 H. R. Haldeman White House Operator Conversation No. 21-51 Date: March 13, 1972 Time: Unknown between 11:21 am and 3:50 pm Location: White House Telephone H. R. (“Bob”) Haldeman talked with the White House operator. [See Conversation No. 683-4C] Request for a call to Constance M. Stuart Secret White House Tapes | Richard M. Nixon Presidency 21–51 Backward Play Stop Forward Download audio Previous 323–7 Next 685–1 More Richard M. Nixon Recordings View all Richard M. Nixon tapes 685–1 audio icon 325–1 audio icon 685–10 audio icon 685–11 audio icon 685–12 audio icon 685–13 audio icon 685–14 audio icon 685–15 audio icon 685–16 audio icon 685–17 audio icon